Grand Canyon National Park: 100 Years
Grand Canyon National Park: 100 Years

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Grand Canyon National Park: 100 Years
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
 Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)
Grand Canyon National Park: 100 Years

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Friday, Nov. 26, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Saturday, Nov. 27, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

Tom, a white teacher, leads Dine (Navajo) students from Red Valley, Arizona, on a two-day hiking and camping trip to the Grand Canyon on Sunday, Nov. 28, 2010, at the Grand Canyon in , Arizona. (Photograph by Scott P. Yates)

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